package com.design.model;

/**
 * 投影仪
 *
 * @author lw
 * @date 2023/12/4 14:43
 **/
public class Projector {

    public void turnOn() {
        System.out.println("开启投影仪");
    }

    public void turnOff() {
        System.out.println("关闭投影仪");
    }
}
